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Ecology II

Total questions: 34

Worksheet time: 11mins

Name
Class
Date
1.

About how many species have thus far been identified on Earth?

a)

1 million

b)

2 million

c)

3 million

d)

4 million

2.

Which category includes the others?

a)

species diversity

b)

genetic diversity

c)

ecosystem diversity

d)

biodiversity

3.

Species richness, is the same as

a)

species diversity

b)

genetic diversity

c)

ecosystem diversity

d)

species evenness

4.

The peppered moth case study is a good example of

a)

macroevolution

b)

nanoevolution

c)

keystone species

d)

microevolution

5.

Some flowers can only be pollinated by a specific animal. This is a great example of

a)

convergent evolution

b)

microevolution

c)

coevolution

d)

revolution#9

6.

Which of the following is another good example of coevolution?

a)

moose and oak trees

b)

worms and fish

c)

owls and mice

d)

ferns and roses

7.

The place where an organism lives is its

a)

niche

b)

zone

c)

habitat

d)

crib

8.

An organism's full potential range of physical,

chemical, biological conditions and resources it

could use if there were no competition.

a)

realized niche

b)

fundamental niche

c)

fulfilled niche

d)

achieved niche

9.

Broad niche, variety of food, tolerate wide conditions.

a)

pacifists

b)

specialists

c)

generalists

d)

optimists

10.

An example of

a)

a specialist

b)

a generalist

11.

Is more vulnerable to extinction.

a)

specialist

b)

generalist

12.

In ecosystems with constant environments, it's better to be a

a)

specialist

b)

generalist

13.

Geographic isolation precedes reproductive isolation.

a)

microevolution

b)

assimilation

c)

sympatric speciation

d)

allopatric speciation

14.

All of the following are factors that affect the rate of evolution EXCEPT

a)

genetic variation

b)

generation time

c)

size of population

d)

size of the organism

15.

Species that are intentionally, or accidentally introduced to an ecosystem that they historically did not evolve in are called

a)

indicator species

b)

keystone species

c)

non-native species

d)

native species

16.

Birds, trout, lichens, and amphibians are good examples of

a)

keystone species

b)

non-native species

c)

indicator species

d)

invasive species

17.

Zebra mussels, snakehead fish, cane toads, and water millfoil are examples of

a)

native species

b)

indicator species

c)

keystone species

d)

non-native species

18.

The best example of a keystone species is

a)

muskrat

b)

racoon

c)

opossum

d)

beaver

19.

No two species can occupy the same niche at the same time, indefinitely.

a)

Law of Range of Tolerance

b)

Theory of Island Biogeography

c)

Competitive Exclusion Principle

d)

Competition Hypothesis

20.

The best example of resource partitioning is

a)

bats in the belfry

b)

warblers in spruce trees

c)

sharks in the pond

d)

the beaks of finches

21.

When similar species in an area develop

slightly differing traits or characteristics

(including behavioral) that allow them to

use different resources.

a)

character displacement

b)

resource partitioning

c)

macroevolution

d)

convergent evolution

22.

A symbiotic relationship that can be described as a +,+

a)

parasitism

b)

commensalism

c)

mutualism

d)

none of the above

23.

Examples are ticks, lice, and mosquitos.

a)

endoparasites

b)

mesoparasites

c)

ectoparasites

d)

all of the above

24.

Which of the following is an example of a mutualistic symbiotic relationship?

a)

clown fish and sea anemone

b)

lichens

c)

Rhizobium bacteria in legumes plants

d)

all are mutualistic

25.

The symbiotic relationship called commensalism can best be represented as

a)

+,+

b)

+,-

c)

-,-

d)

+,0

26.

Primary succession begins with

a)

explorer species

b)

investigator species

c)

establishing species

d)

pioneer species

27.

Pioneer species are

a)

ferns and grasses

b)

lichens and mosses

c)

herbs and ferns

d)

shrubs

28.

The place where secondary succession would happen would be

a)

rock exposed by a retreating glacier

b)

and abandoned farm

c)

lava field produced by a volcano

d)

a parking lot of a closed factory

29.

Ecological succession ends in (in theory) a

a)

climax community

b)

penultimate community

c)

apex community

d)

top-tier community

30.

Ecosystems experiencing intermediate levels

of disruptions are more diverse than those

with high or low disturbance levels. This is the

a)

theory of island biogeography

b)

2nd law of thermodynamics

c)

law of range of tolerance

d)

intermediate disturbance hypothesis

31.

Ecosystems with high biodiversity are more ________, with regard to disturbances.

a)

resilient

b)

resistant

c)

both answers 1 and 2

d)

None of the above

32.

The belief that a species has a right to exist, even if it brings no economic benefit to humans, means it has ________ value.

a)

intermittent

b)

intrinsic

c)

instrumental

d)

impartial

33.

Which of the following is NOT a category of ecosystem services?

a)

cultural

b)

supporting

c)

provisioning

d)

regulating

e)

moderating

34.

According the the theory of island biogeography, if two islands are the same distance from the mainland, then the highest biodiversity will be found on

a)

the smaller island

b)

the larger island

c)

the biodiversity will be the same

d)

not enough information to tell